CHEM 109 EXAM 1
chemistry is the study of matter and the changes that matter undergoes.
Matter is anything that has mass and occupies space.
substance is a form of matter that has definite composition and distinct properties
elements or compounds substances can be either ____ or ____
element a substance that cannot be separated into simpler substances by chemical means.
molecule contains 2 or more different atoms
atom fundamental particle that retains the identity of the elements
compound substance made of 2 or more different types of atoms
periods rows of periodic table
groups columns of periodic table
Br I N Cl H O F diatomic substances
atoms or molecules element may consist of __ or __
liquid gas plasma solid types of matter
solid condensed and crystalline
solid doesnt flow,def volume, def shape
, CHEM 109 EXAM 1
solid, liquid vibration
liquid limited translation and rotation movement
condensed arranged in 3D
crystalline particles of matter are as close as possible
vibration held tightly but vibrating in place
rotation somersaults
translation point A to point B, straight line
gases not limited translation and rotation
gases compressable and flow easily
mixture a physical combination of two or more substances.
homogeneous mixture uniform throughout.
heterogeneous mixture not uniform throughout
chemical property is one a substance exhibits as it interacts with another substance.
chemical change is one that results in a change of composition; the original substances no longer
exist.
digestion, combustion, oxidation chemical change ex
chemistry is the study of matter and the changes that matter undergoes.
Matter is anything that has mass and occupies space.
substance is a form of matter that has definite composition and distinct properties
elements or compounds substances can be either ____ or ____
element a substance that cannot be separated into simpler substances by chemical means.
molecule contains 2 or more different atoms
atom fundamental particle that retains the identity of the elements
compound substance made of 2 or more different types of atoms
periods rows of periodic table
groups columns of periodic table
Br I N Cl H O F diatomic substances
atoms or molecules element may consist of __ or __
liquid gas plasma solid types of matter
solid condensed and crystalline
solid doesnt flow,def volume, def shape
, CHEM 109 EXAM 1
solid, liquid vibration
liquid limited translation and rotation movement
condensed arranged in 3D
crystalline particles of matter are as close as possible
vibration held tightly but vibrating in place
rotation somersaults
translation point A to point B, straight line
gases not limited translation and rotation
gases compressable and flow easily
mixture a physical combination of two or more substances.
homogeneous mixture uniform throughout.
heterogeneous mixture not uniform throughout
chemical property is one a substance exhibits as it interacts with another substance.
chemical change is one that results in a change of composition; the original substances no longer
exist.
digestion, combustion, oxidation chemical change ex
